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Constraints on the decay of Ta
I. J. Arnquist, F. T. Avignone, A. S. Barabash +56
Ta is a rare nuclear isomer whose decay has never been observed. Its remarkably long lifetime surpasses the half-lives of all other known and electron capture decays d…
Measurement of the Electron-Neutrino Charged-Current Cross Sections on I with the COHERENT NaIE detector
P. An, C. Awe, P. S. Barbeau +86
Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on I with pion decay-at-rest neutrinos produced by the…
Modeling Backgrounds for the MAJORANA DEMONSTRATOR
C. R. Haufe, I. J. Arnquist, F. T. Avignone +55
The MAJORANA DEMONSTRATOR is a neutrinoless double-beta decay () experiment containing 30 kg of p-type point contact germanium detectors enriched to 88% in 76Ge and $\s…
Final Result of the MAJORANA DEMONSTRATOR's Search for Neutrinoless Double- Decay in Ge
I. J. Arnquist, F. T. Avignone, A. S. Barabash +57
The MAJORANA DEMONSTRATOR searched for neutrinoless double- decay () of Ge using modular arrays of high-purity Ge detectors operated in vacuum cryostats in a low-ba…
Search for solar axions via axion-photon coupling with the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +55
Axions were originally proposed to explain the strong-CP problem in QCD. Through the axion-photon coupling, the Sun could be a major source of axions, which could be measured in so…
Experimental study of 13C(α,n)16O reactions in the Majorana Demonstrator calibration data
MAJORANA Collaboration, I. J. Arnquist, F. T. Avignone +55
Neutron captures and delayed decays of reaction products are common sources of backgrounds in ultra-rare event searches. In this work, we studied C(O reactions in…
Search for charge nonconservation and Pauli exclusion principle violation with the Majorana Demonstrator
MAJORANA Collaboration, I. J. Arnquist, F. T. Avignone +55
Charge conservation and the Pauli exclusion principle result from fundamental symmetries in the standard model of particle physics, and are typically taken as axiomatic. High-preci…
Search for Spontaneous Radiation from Wavefunction Collapse in the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +51
The Majorana Demonstrator neutrinoless double-beta decay experiment comprises a 44 kg (30 kg enriched in ) array of -type, point-contact germanium detectors. W…
Neutron transfer reactions on the ground state and isomeric state of a 130Sn beam
K. L. Jones, A. Bey, S. Burcher +23
The structure of nuclei around the neutron-rich nucleus 132Sn is of particular interest due to the vicinity of the Z = 50 and N = 82 shell closures and the r-process nucleosyntheti…
Signatures of muonic activation in the Majorana Demonstrator
I. J. Arnquist, F. T. Avignone, A. S. Barabash +55
Experiments searching for very rare processes such as neutrinoless double-beta decay require a detailed understanding of all sources of background. Signals from radioactive impurit…
Joint Measurement of the U Antineutrino Spectrum by Prospect and Stereo
H. Almazán, M. Andriamirado, A. B. Balantekin +82
The PROSPECT and STEREO collaborations present a combined measurement of the pure U antineutrino spectrum, without site specific corrections or detector-dependent effects.…
Joint Determination of Reactor Antineutrino Spectra from U and Pu Fission by Daya Bay and PROSPECT
Daya Bay Collaboration, PROSPECT Collaboration, F. P. An +237
A joint determination of the reactor antineutrino spectra resulting from the fission of U and Pu has been carried out by the Daya Bay and PROSPECT collaborations. T…
COHERENT Collaboration data release from the first detection of coherent elastic neutrino-nucleus scattering on argon
COHERENT Collaboration, D. Akimov, J. B. Albert +80
Release of COHERENT collaboration data from the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on argon. This release corresponds with the results of "Anal…
Early signal of emerging nuclear collectivity in neutron-rich Sb
T. J. Gray, J. M. Allmond, A. E. Stuchbery +20
Radioactive Sb, which can be treated as a proton plus semi-magic Sn core within the particle-core coupling scheme, was studied by Coulomb excitation. Reduced electr…
New -ray Transitions Observed in Ne with Implications for the O(,)Ne Reaction Rate
M. R. Hall, D. W. Bardayan, T. Baugher +34
The O(,)Ne reaction is responsible for breakout from the hot CNO cycle in Type I x-ray bursts. Understanding the properties of resonances between and…
A Search for Neutrinoless Double-Beta Decay in Ge with 26 kg-yr of Exposure from the MAJORANA DEMONSTRATOR
S. I. Alvis, I. J. Arnquist, F. T. Avignone +61
The MAJORANA Collaboration is operating an array of high purity Ge detectors to search for the neutrinoless double-beta decay of Ge. The MAJORANA DEMONSTRATOR consists of 44…
Key Ne states identified affecting -ray emission from F in novae
M. R. Hall, D. W. Barbadian, T. Baugher +34
Detection of nuclear-decay rays provides a sensitive thermometer of nova nucleosynthesis. The most intense -ray flux is thought to be annihilation radiation from the d…
Measurement of the Antineutrino Spectrum from U Fission at HFIR with PROSPECT
PROSPECT Collaboration, J. Ashenfelter, A. B. Balantekin +67
This Letter reports the first measurement of the U energy spectrum by PROSPECT, the Precision Reactor Oscillation and Spectrum experiment, operating 7.9m…
COHERENT Collaboration data release from the first observation of coherent elastic neutrino-nucleus scattering
COHERENT Collaboration, D. Akimov, J. B. Albert +91
This release includes data and information necessary to perform independent analyses of the COHERENT result presented in Akimov et al., arXiv:1708.01294 [nucl-ex]. Data is shared i…
The Majorana Demonstrator Status and Preliminary Results
C. -H. Yu, S. I. Alvis, I. J. Arnquist +63
The Majorana Collaboration is using an array of high-purity Ge detectors to search for neutrinoless double-beta decay in 76Ge. Searches for neutrinoless double-beta decay are under…
Observation of Coherent Elastic Neutrino-Nucleus Scattering
D. Akimov, J. B. Albert, P. An +78
The coherent elastic scattering of neutrinos off nuclei has eluded detection for four decades, even though its predicted cross-section is the largest by far of all low-energy neutr…
New limits on Bosonic Dark Matter, Solar Axions, Pauli Exclusion Principle Violation, and Electron Decay from the Majorana Demonstrator
N. Abgrall, I. J. Arnquist, F. T. Avignone +64
We present new limits on exotic keV-scale physics based on 478 kg d of MAJORANA DEMONSTRATOR commissioning data. Constraints at the 90% confidence level are derived on bosonic dark…
Search for Pauli Exclusion Principle Violating Atomic Transitions and Electron Decay with a P-type Point Contact Germanium Detector
N. Abgrall, I. J. Arnquist, F. T. Avignone +66
A search for Pauli-exclusion-principle-violating K-alpha electron transitions was performed using 89.5 kg-d of data collected with a p-type point contact high-purity germanium dete…
Initial Results from the MAJORANA DEMONSTRATOR
S. R. Elliott, N. Abgrall, I. J. Arnquist +64
Neutrinoless double-beta decay searches seek to determine the nature of neutrinos, the existence of a lepton violating process, and the effective Majorana neutrino mass. The {\sc M…